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* data/yacc.c (YYSIZE_T): Reindent to make it clearer. This

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doesn't affect behavior.
(YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
Solaris, AIX, MSC.
(_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H.  All uses changed.
This works a bit better with glibc, if user code has already included
stdlib.h.
* doc/bison.texinfo (Bison Parser): Document that users can't
arbitrarily use malloc and free for other purposes.  Document
that <alloca.h> and <malloc.h> might be included.
(Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
user must declare alloca.
This commit is contained in:
Paul Eggert
2005-09-20 23:06:10 +00:00
parent a05b79dff9
commit 552893661b
3 changed files with 42 additions and 22 deletions
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40
data/yacc.c
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@@ -219,18 +219,17 @@ typedef struct YYLTYPE
/* Line __line__ of yacc.c. */
b4_syncline([@oline@], [@ofile@])[
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#endif
#if ! defined (YYSIZE_T) && defined (size_t)
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T)
# define YYSIZE_T unsigned int
#ifndef YYSIZE_T
# if defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
# elif defined (size_t)
# define YYSIZE_T size_t
# elif ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# else
# define YYSIZE_T unsigned int
# endif
#endif
#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
@@ -255,11 +254,20 @@ b4_syncline([@oline@], [@ofile@])[
# if YYSTACK_USE_ALLOCA
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# elif defined __BUILTIN_VA_ARG_INCR
# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
# elif defined _AIX
# define YYSTACK_ALLOC __alloca
# elif defined _MSC_VER
# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
# define alloca _alloca
# else
# define YYSTACK_ALLOC alloca
# if defined (__STDC__) || defined (__cplusplus)
# if ! defined (_STDLIB_H) && (defined (__STDC__) || defined (__cplusplus))
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# define YYINCLUDED_STDLIB_H
# ifndef _STDLIB_H
# define _STDLIB_H 1
# endif
# endif
# endif
# endif
@@ -286,14 +294,14 @@ extern "C" {
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
# if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
# if (! defined (malloc) && ! defined (_STDLIB_H) \
&& (defined (__STDC__) || defined (__cplusplus)))
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# ifndef YYFREE
# define YYFREE free
# if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
# if (! defined (free) && ! defined (_STDLIB_H) \
&& (defined (__STDC__) || defined (__cplusplus)))
void free (void *); /* INFRINGES ON USER NAME SPACE */
# endif